Menene austenitic bakin karfe?

Menene austenitic bakin karfe? Menene abubuwan da ke cikin bakin karfe austenitic? Menene halayen bakin karfe austenitic? Menene aikace-aikace na austenitic bakin karfe? A cikin wannan labarin, za mu amsa waɗannan tambayoyin dalla-dalla.

Menene austenitic bakin karfe?

Wani nau'in bakin karfe ne na musamman karfe gami. Yana da babban abun ciki na chromium da nickel. Austenitic karfe ba Magnetic ba ne kuma yana da kyakkyawan walda da kaddarorin tsari.

Menene abubuwan da ke cikin bakin karfe austenitic?

Yana da chromium-nickel gami mai dauke da kusan 18% chromium da 8% nickel. Ba su da maganadisu kuma suna da juriyar lalata fiye da sauran nau'ikan bakin karfe. Bakin ƙarfe na Austenitic shima ba shi da yuwuwar yin karyewa a ƙananan yanayin zafi.

Menene halayen bakin karfe austenitic?

Wani nau'i ne na musamman na bakin karfe tare da babban abun ciki na chromium da nickel. Idan aka kwatanta da sauran nau'ikan bakin karfe, suna da ƙananan abun ciki na carbon, wanda ke ba su kyakkyawan juriya ga lalatawar intergranular. Austenitic karfe kuma yana da kyau formability da weldability.

Wasu mahimman halaye sun haɗa da:

• Babban juriya na lalata
• High ductility da taurin
• Kyakkyawan tsari da waldawa
• Kyakkyawan aikin ƙarancin zafin jiki

Menene aikace-aikace na austenitic bakin karfe?

Shi ne nau'in bakin karfe da aka fi amfani da shi. Su ne chromium-nickel alloys tare da abun ciki na chromium daga 16% zuwa 30% da abun ciki na nickel har zuwa 35%. An san su don kyakkyawan juriya na lalata da kyawawan kaddarorin inji.

Wasu aikace-aikacen gama gari sun haɗa da:

• Kayan aikin sarrafa abinci
• Ruwan ruwa da saman aiki
• Tankunan ajiyar sinadarai
• Tasoshin matsi
• Abubuwan haɗin sararin samaniya

Aboutarin bayani game da aikace-aikace na austenitic bakin karfe:

Austenitic 304 bakin karfe farantin karfe wani abu ne wanda ake zargi da samar da tsatsa mai karfi da juriya na lalata, kyakkyawan filastik da tauri, kuma yana da sauƙin hatimi da tsari. Tare da yawa na 7.93 g/cm³, 304 bakin karfe nau'in bakin karfe ne na kowa, wanda kuma aka sani da 18/8 bakin karfe a cikin masana'antar. Samfuran ƙarfensa suna da juriya mai zafi kuma suna da kyawawan kaddarorin mashin ɗin, wanda ke sa ana amfani da su sosai a masana'antu kamar su kayan daki da masana'antar kayan ado, masana'antar abinci da likitanci.

Tsarin Samar da Bakin Karfe na Austenitic

Ayyukan samar da kayan aiki na austenitic bakin karfe yana da kyau, musamman ga chromium-nickel austenitic bakin karfe. Daban-daban dalla-dalla da aka saba amfani da su na farantin, bututu, tsiri, waya, hannun jari, da jabu da simintin gyare-gyare ana iya samar da su cikin kwanciyar hankali ta amfani da hanyoyin al'ada don samar da ƙarfe na musamman.

Saboda babban abun ciki na abubuwan gami (musamman chromium) da ƙananan abun ciki na carbon, yawancin austenitic bakin karfe ana samar da su a cikin adadi mai yawa ta amfani da murhun arc da argon-oxygen decarburization (AOD) ko vacuum oxygen decarburization (VOD). Don ƙananan ƙananan samfura masu girma, za'a iya amfani da ƙura ko mara amfani da murƙushe tanderun da ba a shigar da ita ba, kuma sake narkewar slag na lantarki na iya zama dole idan ya cancanta.

Kyawawan kaddarorin thermoplastic na chromium-nickel austenitic bakin karfe suna sauƙaƙa yin aiki mai zafi kamar ƙirƙira, mirgina, huda mai zafi, da extrusion. The dumama zafin jiki na karfe ingot ne 1150-1260 ℃, da kuma nakasawa zazzabi kewayon ne kullum 900-1150 ℃. Ƙarfe da ke ɗauke da jan ƙarfe, nitrogen, da daidaitawa tare da titanium da niobium suna dogara ne akan ƙananan yanayin zafi, yayin da manyan ma'aunin chromium da molybdenum na ƙarfe sukan dogara da yanayin zafi. Saboda rashin kyawun yanayin zafi, lokacin rufewa ya kamata ya fi tsayi.

Bayan zafi aiki, da workpiece iya zama iska sanyaya. Chromium manganese austenitic bakin karfe yana da ƙarfi mai ƙarfi ga fashewar zafi. Lokacin da aka buɗe ingot ɗin karfe, ana buƙatar ƙananan nakasawa da wucewa da yawa, kuma ya kamata a tara kayan ƙirƙira a sanyaya. Yana iya aiwatar da dabarun sarrafa sanyi kamar jujjuyawar sanyi, zane mai sanyi, da juzu'i, gami da ƙirƙirar ayyuka kamar tambari, lanƙwasa, murɗa, da nadawa.

Halin ƙarfin aiki na chromium-nickel austenitic bakin karfe yana da rauni fiye da na chromium-manganese karfe, kuma sanyi nakasawa bayan annealing daya zai iya kaiwa 70% zuwa 90%. Koyaya, saboda babban juriya na nakasawa da ƙaƙƙarfan hali na taurin aiki na chromium manganese austenitic bakin karfe, ya kamata a ƙara adadin matsakaicin tausasawa annealing. Matsakaicin matsakaiciyar jiyya mai laushi mai laushi shine sanyaya ruwa a 1050-1100 ℃.

Hakanan ana iya amfani da bakin karfe na Austenitic don samar da simintin gyare-gyare. Don inganta ɗimbin ruwan ƙarfe da haɓaka aikin simintin, yakamata a daidaita tsarin gami na simintin ƙarfe: haɓaka abun cikin siliki, faɗaɗa kewayon chromium da abun cikin nickel, da haɓaka babban iyaka na ƙazantattun abubuwan sulfur abun ciki. .

Austenitic bakin karfe ya kamata a hõre bayani magani kafin amfani da su kara da m bayani na carbides da sauran precipitates a cikin karfe a cikin austenite matrix, yayin da kuma homogenizing da tsarin da kuma kawar da danniya, game da shi tabbatar da kyau kwarai lalata juriya da inji Properties. Madaidaicin tsarin maganin maganin shine don zafi a 1050-1150 ℃ sannan kuma a sanyaya ruwa (nakasar sassa kuma ana iya sanyaya iska). Maganin maganin zafin jiki ya dogara da matakin alloying na karfe: ƙananan molybdenum ko ƙananan molybdenum karfe maki ya kamata ya zama ƙasa (≤1100 ℃), yayin da mafi girma alloyed maki kamar 00Cr20Ni18Mo-6CuN, 00Cr25Ni22Mo2N, da dai sauransu ya zama mafi girma (1080). - 1150 ℃).

Ana amfani da ingantattun fasahohi sosai wajen samarwa, kamar ƙimar tacewa a wajen tanderun da ya kai sama da 95%, ci gaba da simintin simintin ya wuce 80%, da manyan injinan mirgina, daidaito, da injunan ƙirƙira da sauri. Musamman, aiwatar da sarrafa kwamfuta na lantarki a cikin narkewa da sarrafawa yana tabbatar da aminci da kwanciyar hankali na ingancin samfur da aiki.

Kammalawa

Na gode da karanta labarinmu kuma muna fatan zai iya ba ku damar fahimtar juna abin da yake austenitic bakin karfe. Idan kuna son samun ƙarin bayani game da austenitic bakin karfe, muna ba ku shawarar ku ziyarta Sino Bakin Karfe don ƙarin bayani.

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